Tim Duncan has blocked the most career shots in the playoffs, with 568 blocks.

Interpreted as:

most career blocks by a player in NBA playoffs

	NAME	BLK	GP	MPG	PPG	RPG	APG	SPG	BPG	FGM	FGA	FG%	3PM	3PA	3P%	FTM	FTA	FT%	TS%	OREB	DREB	TPG	MIN	PTS	REB	AST	STL	TOV	PF	+/-
1	Tim Duncan T. Duncan	568	251	37.3	20.6	11.4	3.0	0.7	2.3	7.9	15.7	50.1	0.0	0.1	14.3	4.8	7.0	68.9	54.8	3.1	8.3	2.5	9,370	5,172	2,859	764	168	633	701	+1090
2	Kareem Abdul-Jabbar K. Abdul-Jabbar	476	196	36.0	23.4	9.1	3.2	1.0	2.4	9.5	17.5	54.5	0.0	0.0	0.0	4.3	5.8	75.4	58.4	2.6	6.5	2.6	7,053	4,585	1,778	618	189	447	666
3	Hakeem Olajuwon H. Olajuwon	472	145	39.6	25.9	11.2	3.2	1.7	3.3	10.4	19.6	52.8	0.0	0.1	22.2	5.1	7.1	71.9	56.9	3.2	7.9	2.9	5,749	3,755	1,621	458	245	424	562	-29
4	Shaquille O'Neal S. O'Neal	459	216	37.5	24.3	11.6	2.7	0.5	2.1	9.4	16.8	56.3	0.0	0.0		5.4	10.7	50.4	56.5	4.0	7.6	3.0	8,098	5,250	2,508	582	117	649	769	+638
5	David Robinson D. Robinson	312	123	34.3	18.1	10.6	2.3	1.2	2.5	6.2	13.0	47.9	0.0	0.1	10.0	5.6	7.9	70.8	54.7	3.0	7.6	2.3	4,221	2,221	1,301	280	151	280	423	+362
6	Robert Parish R. Parish	309	184	33.6	15.3	9.6	1.3	0.8	1.7	6.2	12.2	50.6	0.0	0.0	0.0	3.0	4.2	72.2	54.7	3.1	6.5	2.1	6,177	2,820	1,765	234	145	365	617	-3
7	Patrick Ewing P. Ewing	303	139	37.5	20.2	10.3	2.0	0.9	2.2	7.9	16.9	46.9	0.1	0.2	34.8	4.3	6.0	71.8	51.7	2.4	7.9	2.5	5,207	2,813	1,435	275	122	345	522	+8
8	Serge Ibaka S. Ibaka	292	152	27.1	10.6	6.3	0.7	0.4	1.9	4.3	8.6	49.9	0.6	1.6	38.2	1.4	1.7	78.9	56.4	1.8	4.5	0.9	4,119	1,608	965	109	61	141	449	+263
9	Kevin McHale K. McHale	281	169	33.8	18.8	7.4	1.6	0.4	1.7	7.1	12.7	56.1	0.0	0.1	38.1	4.5	5.8	78.8	61.8	2.7	4.7	1.9	5,716	3,182	1,253	274	65	326	571
10	LeBron James L. James	275	287	41.3	28.4	9.0	7.2	1.7	1.0	10.2	20.5	49.7	1.6	4.9	33.2	6.4	8.6	74.1	58.4	1.5	7.5	3.6	11,858	8,162	2,583	2,067	483	1,034	655	+1311
11	Dikembe Mutombo D. Mutombo	251	101	30.9	9.1	9.5	0.8	0.4	2.5	3.0	5.8	51.7	0.0	0.0	0.0	3.1	4.4	70.3	58.7	2.9	6.6	1.5	3,117	918	962	78	40	149	259	-71
12	Ben Wallace B. Wallace	250	130	34.8	7.2	11.2	1.3	1.5	1.9	2.8	5.8	48.2	0.0	0.1	0.0	1.6	3.9	41.8	48.0	3.6	7.6	1.0	4,524	939	1,454	173	199	136	296	+368
13	Dwight Howard D. Howard	248	125	31.6	15.3	11.8	1.2	0.8	2.0	5.4	9.2	58.9	0.0	0.1	14.3	4.4	8.0	54.8	59.9	3.5	8.3	2.6	3,945	1,909	1,473	149	94	323	467	-77
14	Julius Erving J. Erving	239	141	37.5	21.9	7.0	4.2	1.7	1.7	8.4	17.3	48.6	0.1	0.3	19.4	5.0	6.4	77.9	54.4	2.6	4.5	3.2	5,288	3,088	994	594	235	396	403
15	Pau Gasol P. Gasol	233	136	35.5	15.4	9.2	3.2	0.5	1.7	6.0	11.8	50.8	0.1	0.3	29.7	3.4	4.6	74.1	55.9	2.7	6.4	1.8	4,825	2,098	1,246	438	71	250	356	+225
16	Al Horford A. Horford	229	186	33.8	12.2	8.0	3.3	0.8	1.2	4.9	9.8	49.3	1.0	2.5	39.1	1.5	1.9	77.3	57.0	1.8	6.2	1.4	6,294	2,265	1,495	605	152	253	453	+40
17	Rasheed Wallace R. Wallace	225	177	33.0	13.5	6.2	1.5	0.8	1.3	5.2	11.7	44.4	1.1	3.1	35.2	2.0	2.8	71.7	52.1	1.3	4.9	1.3	5,838	2,384	1,099	264	145	228	645	+325
18	Robert Horry R. Horry	225	244	28.0	7.9	5.6	2.4	1.1	0.9	2.7	6.4	42.6	1.1	3.0	35.9	1.4	2.0	72.2	54.6	1.7	3.9	1.2	6,823	1,939	1,361	575	276	282	717	+590
19	Caldwell Jones C. Jones	223	119	29.1	6.8	8.4	1.2	0.4	1.9	2.7	5.6	48.4	0.0	0.0	0.0	1.4	1.9	75.9	53.3	2.2	6.2	1.6	3,466	814	999	147	51	157	426
20	Elvin Hayes E. Hayes	222	85	43.0	22.5	13.0	2.1	1.1	2.6	9.1	19.8	45.8	0.0	0.0		4.4	6.7	64.9	49.4	4.0	9.0	2.8	3,654	1,910	1,104	175	97	124	341
21	Alonzo Mourning A. Mourning	215	95	27.3	13.6	7.0	0.9	0.5	2.3	4.6	9.1	51.2	0.1	0.2	36.8	4.2	6.5	64.9	57.0	1.9	5.1	2.4	2,597	1,291	665	81	45	226	330	+43
22	Draymond Green D. Green	214	157	34.7	11.6	8.9	6.2	1.5	1.4	4.1	9.2	44.9	1.0	3.3	30.4	2.3	3.2	72.7	54.6	1.7	7.2	2.6	5,445	1,825	1,391	974	240	411	593	+993
23	Mark Eaton M. Eaton	210	74	31.0	6.1	7.5	0.7	0.5	2.8	2.4	5.0	48.9	0.0	0.0		1.3	2.0	63.9	52.5	2.3	5.2	1.1	2,295	454	557	52	35	81	250
24	Kevin Durant K. Durant	204	170	40.5	29.3	7.8	4.2	1.0	1.2	9.9	20.8	47.7	2.2	6.1	35.6	7.4	8.5	86.8	59.9	0.8	7.0	3.2	6,893	4,985	1,327	709	172	550	427	+643
25	Kevin Garnett K. Garnett	186	143	36.9	18.2	10.7	3.3	1.2	1.3	7.4	15.5	47.8	0.1	0.4	27.3	3.3	4.1	78.9	52.5	2.2	8.5	2.4	5,283	2,601	1,534	471	178	342	431	+298